These axioms and theories were all created many moons ago; when life expectancy was significantly shorter than it is not. Today these metrics seem silly. When old age was forty...

Or as Tom Lerher said - " When Mozart was my age, he'd been dead for three years..."

"Folks" needed a way to understand their world. In a world where real information was few and far between, they would make "science-through-observation" theories. To wit...

Supposition: Trees cause wind

Reasoning: When there is no wind, the trees do not move. When the trees move there is wind, hence...